There has been an ongoing construction in my house and the dust was so bad. I noticed my Era100 started showing this pattern inside and it concerns me. I think it might be dust build up. Anyone else has the same issue? How do i clean it up…?

There has been an ongoing construction in my house and the dust was so bad. I noticed my Era100 started showing this pattern inside and it concerns me. I think it might be dust build up. Anyone else has the same issue? How do i clean it up…?
Try taking a soft brush, like a small paintbrush, and brush the dust out of the speaker grill. A vacuum with a brush attachment might work too.
I use canned air, carefully and NOT shaken to blow the dust out of several different Sonos speakers grills.
My first approach would be using a vacuum cleaner with no brush. I’d try to avoid touching the grill during this step because grinding the dust onto the grill surface might cause some etching. Next I’d add a brush to the vacuum cleaner. Using canned air would tend to push the dust into the unit, rather than removing the dust. For a small amount of dust the canned air would probably be OK, but I think that you would notice a large amount of dust simply pushed onto the speaker behind the grill.
After the major dust is removed, a damp wipe will help.
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